2 * gtk.c: GTK front end for my puzzle collection.
16 #include <gdk/gdkkeysyms.h>
20 #include <X11/Xutil.h>
21 #include <X11/Xatom.h>
25 #if GTK_CHECK_VERSION(2,0,0)
30 static FILE *debug_fp = NULL;
35 debug_fp = fopen("debug.log", "w");
46 void debug_printf(char *fmt, ...)
52 vsprintf(buf, fmt, ap);
58 /* ----------------------------------------------------------------------
59 * Error reporting functions used elsewhere.
62 void fatal(char *fmt, ...)
66 fprintf(stderr, "fatal error: ");
69 vfprintf(stderr, fmt, ap);
72 fprintf(stderr, "\n");
76 /* ----------------------------------------------------------------------
77 * GTK front end to puzzles.
82 PangoFontDescription *desc;
91 * This structure holds all the data relevant to a single window.
92 * In principle this would allow us to open multiple independent
93 * puzzle windows, although I can't currently see any real point in
94 * doing so. I'm just coding cleanly because there's no
95 * particularly good reason not to.
100 GtkWidget *statusbar;
109 int bbox_l, bbox_r, bbox_u, bbox_d;
110 int timer_active, timer_id;
111 struct timeval last_time;
113 int nfonts, fontsize;
115 int cfg_which, cfgret;
120 int pw, ph; /* pixmap size (w, h are area size) */
121 int ox, oy; /* offset of pixmap in drawing area */
125 void get_random_seed(void **randseed, int *randseedsize)
127 struct timeval *tvp = snew(struct timeval);
128 gettimeofday(tvp, NULL);
129 *randseed = (void *)tvp;
130 *randseedsize = sizeof(struct timeval);
133 void frontend_default_colour(frontend *fe, float *output)
135 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
136 output[0] = col.red / 65535.0;
137 output[1] = col.green / 65535.0;
138 output[2] = col.blue / 65535.0;
141 void gtk_status_bar(void *handle, char *text)
143 frontend *fe = (frontend *)handle;
146 assert(fe->statusbar);
148 rewritten = midend_rewrite_statusbar(fe->me, text);
149 if (!fe->laststatus || strcmp(rewritten, fe->laststatus)) {
150 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
151 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, rewritten);
152 sfree(fe->laststatus);
153 fe->laststatus = rewritten;
159 void gtk_start_draw(void *handle)
161 frontend *fe = (frontend *)handle;
162 fe->gc = gdk_gc_new(fe->area->window);
169 void gtk_clip(void *handle, int x, int y, int w, int h)
171 frontend *fe = (frontend *)handle;
179 gdk_gc_set_clip_rectangle(fe->gc, &rect);
182 void gtk_unclip(void *handle)
184 frontend *fe = (frontend *)handle;
192 gdk_gc_set_clip_rectangle(fe->gc, &rect);
195 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
196 int align, int colour, char *text)
198 frontend *fe = (frontend *)handle;
202 * Find or create the font.
204 for (i = 0; i < fe->nfonts; i++)
205 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
208 if (i == fe->nfonts) {
209 if (fe->fontsize <= fe->nfonts) {
210 fe->fontsize = fe->nfonts + 10;
211 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
216 fe->fonts[i].type = fonttype;
217 fe->fonts[i].size = fontsize;
221 * Use Pango to find the closest match to the requested
225 PangoFontDescription *fd;
227 fd = pango_font_description_new();
228 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
229 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
230 "Monospace" : "Sans");
231 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
233 * I found some online Pango documentation which
234 * described a function called
235 * pango_font_description_set_absolute_size(), which is
236 * _exactly_ what I want here. Unfortunately, none of
237 * my local Pango installations have it (presumably
238 * they're too old), so I'm going to have to hack round
239 * it by figuring out the point size myself. This
240 * limits me to X and probably also breaks in later
241 * Pango installations, so ideally I should add another
242 * CHECK_VERSION type ifdef and use set_absolute_size
243 * where available. All very annoying.
245 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
246 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
249 Display *d = GDK_DISPLAY();
250 int s = DefaultScreen(d);
252 (PANGO_SCALE * 72.27 / 25.4) *
253 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
254 pango_font_description_set_size(fd, resolution * fontsize);
257 fe->fonts[i].desc = fd;
262 * In GTK 1.2, I don't know of any plausible way to
263 * pick a suitable font, so I'm just going to be
266 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
267 "fixed" : "variable");
275 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
286 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
287 pango_layout_set_font_description(layout, fe->fonts[i].desc);
288 pango_layout_set_text(layout, text, strlen(text));
289 pango_layout_get_pixel_extents(layout, NULL, &rect);
291 if (align & ALIGN_VCENTRE)
292 rect.y -= rect.height / 2;
294 if (align & ALIGN_HCENTRE)
295 rect.x -= rect.width / 2;
296 else if (align & ALIGN_HRIGHT)
297 rect.x -= rect.width;
299 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
301 g_object_unref(layout);
306 * Find string dimensions and process alignment.
309 int lb, rb, wid, asc, desc;
312 * Measure vertical string extents with respect to the same
315 gdk_string_extents(fe->fonts[i].font,
316 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
317 &lb, &rb, &wid, &asc, &desc);
318 if (align & ALIGN_VCENTRE)
319 y += asc - (asc+desc)/2;
322 * ... but horizontal extents with respect to the provided
323 * string. This means that multiple pieces of text centred
324 * on the same y-coordinate don't have different baselines.
326 gdk_string_extents(fe->fonts[i].font, text,
327 &lb, &rb, &wid, &asc, &desc);
329 if (align & ALIGN_HCENTRE)
331 else if (align & ALIGN_HRIGHT)
337 * Actually draw the text.
339 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
344 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
346 frontend *fe = (frontend *)handle;
347 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
348 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
351 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
353 frontend *fe = (frontend *)handle;
354 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
355 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
358 void gtk_draw_poly(void *handle, int *coords, int npoints,
359 int fillcolour, int outlinecolour)
361 frontend *fe = (frontend *)handle;
362 GdkPoint *points = snewn(npoints, GdkPoint);
365 for (i = 0; i < npoints; i++) {
366 points[i].x = coords[i*2];
367 points[i].y = coords[i*2+1];
370 if (fillcolour >= 0) {
371 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
372 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
374 assert(outlinecolour >= 0);
375 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
378 * In principle we ought to be able to use gdk_draw_polygon for
379 * the outline as well. In fact, it turns out to interact badly
380 * with a clipping region, for no terribly obvious reason, so I
381 * draw the outline as a sequence of lines instead.
383 for (i = 0; i < npoints; i++)
384 gdk_draw_line(fe->pixmap, fe->gc,
385 points[i].x, points[i].y,
386 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
391 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
392 int fillcolour, int outlinecolour)
394 frontend *fe = (frontend *)handle;
395 if (fillcolour >= 0) {
396 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
397 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
398 cx - radius, cy - radius,
399 2 * radius, 2 * radius, 0, 360 * 64);
402 assert(outlinecolour >= 0);
403 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
404 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
405 cx - radius, cy - radius,
406 2 * radius, 2 * radius, 0, 360 * 64);
414 blitter *gtk_blitter_new(void *handle, int w, int h)
417 * We can't create the pixmap right now, because fe->window
418 * might not yet exist. So we just cache w and h and create it
419 * during the firs call to blitter_save.
421 blitter *bl = snew(blitter);
428 void gtk_blitter_free(void *handle, blitter *bl)
431 gdk_pixmap_unref(bl->pixmap);
435 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
437 frontend *fe = (frontend *)handle;
439 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
442 gdk_draw_pixmap(bl->pixmap,
443 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
445 x, y, 0, 0, bl->w, bl->h);
448 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
450 frontend *fe = (frontend *)handle;
452 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
456 gdk_draw_pixmap(fe->pixmap,
457 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
459 0, 0, x, y, bl->w, bl->h);
462 void gtk_draw_update(void *handle, int x, int y, int w, int h)
464 frontend *fe = (frontend *)handle;
465 if (fe->bbox_l > x ) fe->bbox_l = x ;
466 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
467 if (fe->bbox_u > y ) fe->bbox_u = y ;
468 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
471 void gtk_end_draw(void *handle)
473 frontend *fe = (frontend *)handle;
474 gdk_gc_unref(fe->gc);
477 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
478 gdk_draw_pixmap(fe->area->window,
479 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
481 fe->bbox_l, fe->bbox_u,
482 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
483 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
487 const struct drawing_api gtk_drawing = {
503 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
504 NULL, /* line_width */
507 static void destroy(GtkWidget *widget, gpointer data)
509 frontend *fe = (frontend *)data;
510 deactivate_timer(fe);
515 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
517 frontend *fe = (frontend *)data;
519 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
520 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
525 if (event->keyval == GDK_Up)
526 keyval = shift | ctrl | CURSOR_UP;
527 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
528 keyval = MOD_NUM_KEYPAD | '8';
529 else if (event->keyval == GDK_Down)
530 keyval = shift | ctrl | CURSOR_DOWN;
531 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
532 keyval = MOD_NUM_KEYPAD | '2';
533 else if (event->keyval == GDK_Left)
534 keyval = shift | ctrl | CURSOR_LEFT;
535 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
536 keyval = MOD_NUM_KEYPAD | '4';
537 else if (event->keyval == GDK_Right)
538 keyval = shift | ctrl | CURSOR_RIGHT;
539 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
540 keyval = MOD_NUM_KEYPAD | '6';
541 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
542 keyval = MOD_NUM_KEYPAD | '7';
543 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
544 keyval = MOD_NUM_KEYPAD | '1';
545 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
546 keyval = MOD_NUM_KEYPAD | '9';
547 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
548 keyval = MOD_NUM_KEYPAD | '3';
549 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
550 keyval = MOD_NUM_KEYPAD | '0';
551 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
552 keyval = MOD_NUM_KEYPAD | '5';
553 else if (event->keyval == GDK_BackSpace ||
554 event->keyval == GDK_Delete ||
555 event->keyval == GDK_KP_Delete)
557 else if (event->string[0] && !event->string[1])
558 keyval = (unsigned char)event->string[0];
563 !midend_process_key(fe->me, 0, 0, keyval))
564 gtk_widget_destroy(fe->window);
569 static gint button_event(GtkWidget *widget, GdkEventButton *event,
572 frontend *fe = (frontend *)data;
578 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
581 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
582 button = MIDDLE_BUTTON;
583 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
584 button = RIGHT_BUTTON;
585 else if (event->button == 1)
586 button = LEFT_BUTTON;
588 return FALSE; /* don't even know what button! */
590 if (event->type == GDK_BUTTON_RELEASE)
591 button += LEFT_RELEASE - LEFT_BUTTON;
593 if (!midend_process_key(fe->me, event->x - fe->ox,
594 event->y - fe->oy, button))
595 gtk_widget_destroy(fe->window);
600 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
603 frontend *fe = (frontend *)data;
609 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
610 button = MIDDLE_DRAG;
611 else if (event->state & GDK_BUTTON1_MASK)
613 else if (event->state & GDK_BUTTON3_MASK)
616 return FALSE; /* don't even know what button! */
618 if (!midend_process_key(fe->me, event->x - fe->ox,
619 event->y - fe->oy, button))
620 gtk_widget_destroy(fe->window);
625 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
628 frontend *fe = (frontend *)data;
631 gdk_draw_pixmap(widget->window,
632 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
634 event->area.x - fe->ox, event->area.y - fe->oy,
635 event->area.x, event->area.y,
636 event->area.width, event->area.height);
641 static gint map_window(GtkWidget *widget, GdkEvent *event,
644 frontend *fe = (frontend *)data;
647 * Apparently we need to do this because otherwise the status
648 * bar will fail to update immediately. Annoying, but there we
651 gtk_widget_queue_draw(fe->window);
656 static gint configure_area(GtkWidget *widget,
657 GdkEventConfigure *event, gpointer data)
659 frontend *fe = (frontend *)data;
664 gdk_pixmap_unref(fe->pixmap);
666 x = fe->w = event->width;
667 y = fe->h = event->height;
668 midend_size(fe->me, &x, &y, TRUE);
671 fe->ox = (fe->w - fe->pw) / 2;
672 fe->oy = (fe->h - fe->ph) / 2;
674 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
676 gc = gdk_gc_new(fe->area->window);
677 gdk_gc_set_foreground(gc, &fe->colours[0]);
678 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
681 midend_force_redraw(fe->me);
686 static gint timer_func(gpointer data)
688 frontend *fe = (frontend *)data;
690 if (fe->timer_active) {
693 gettimeofday(&now, NULL);
694 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
695 (now.tv_sec - fe->last_time.tv_sec));
696 midend_timer(fe->me, elapsed); /* may clear timer_active */
700 return fe->timer_active;
703 void deactivate_timer(frontend *fe)
706 return; /* can happen due to --generate */
707 if (fe->timer_active)
708 gtk_timeout_remove(fe->timer_id);
709 fe->timer_active = FALSE;
712 void activate_timer(frontend *fe)
715 return; /* can happen due to --generate */
716 if (!fe->timer_active) {
717 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
718 gettimeofday(&fe->last_time, NULL);
720 fe->timer_active = TRUE;
723 static void window_destroy(GtkWidget *widget, gpointer data)
728 static void msgbox_button_clicked(GtkButton *button, gpointer data)
730 GtkWidget *window = GTK_WIDGET(data);
733 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
734 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
737 gtk_widget_destroy(GTK_WIDGET(data));
740 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
742 GtkObject *cancelbutton = GTK_OBJECT(data);
745 * `Escape' effectively clicks the cancel button
747 if (event->keyval == GDK_Escape) {
748 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
755 enum { MB_OK, MB_YESNO };
757 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
760 GtkWidget *window, *hbox, *text, *button;
764 window = gtk_dialog_new();
765 text = gtk_label_new(msg);
766 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
767 hbox = gtk_hbox_new(FALSE, 0);
768 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
769 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
770 hbox, FALSE, FALSE, 20);
771 gtk_widget_show(text);
772 gtk_widget_show(hbox);
773 gtk_window_set_title(GTK_WINDOW(window), title);
774 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
780 assert(type == MB_YESNO);
781 titles = "Yes\0No\0";
788 button = gtk_button_new_with_label(titles);
789 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
790 button, FALSE, FALSE, 0);
791 gtk_widget_show(button);
793 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
794 gtk_window_set_default(GTK_WINDOW(window), button);
797 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
798 GTK_SIGNAL_FUNC(win_key_press), button);
800 gtk_signal_connect(GTK_OBJECT(button), "clicked",
801 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
802 gtk_object_set_data(GTK_OBJECT(button), "user-data",
804 titles += strlen(titles)+1;
807 gtk_object_set_data(GTK_OBJECT(window), "user-data",
808 GINT_TO_POINTER(&i));
809 gtk_signal_connect(GTK_OBJECT(window), "destroy",
810 GTK_SIGNAL_FUNC(window_destroy), NULL);
811 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
812 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
813 /* set_transient_window_pos(parent, window); */
814 gtk_widget_show(window);
817 return (type == MB_YESNO ? i == 0 : TRUE);
820 void error_box(GtkWidget *parent, char *msg)
822 message_box(parent, "Error", msg, FALSE, MB_OK);
825 static void config_ok_button_clicked(GtkButton *button, gpointer data)
827 frontend *fe = (frontend *)data;
830 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
833 error_box(fe->cfgbox, err);
836 gtk_widget_destroy(fe->cfgbox);
840 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
842 frontend *fe = (frontend *)data;
844 gtk_widget_destroy(fe->cfgbox);
847 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
850 * GtkEntry has a nasty habit of eating the Return key, which
851 * is unhelpful since it doesn't actually _do_ anything with it
852 * (it calls gtk_widget_activate, but our edit boxes never need
853 * activating). So I catch Return before GtkEntry sees it, and
854 * pass it straight on to the parent widget. Effect: hitting
855 * Return in an edit box will now activate the default button
856 * in the dialog just like it will everywhere else.
858 if (event->keyval == GDK_Return && widget->parent != NULL) {
860 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
861 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
868 static void editbox_changed(GtkEditable *ed, gpointer data)
870 config_item *i = (config_item *)data;
873 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
876 static void button_toggled(GtkToggleButton *tb, gpointer data)
878 config_item *i = (config_item *)data;
880 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
883 static void droplist_sel(GtkMenuItem *item, gpointer data)
885 config_item *i = (config_item *)data;
887 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
891 static int get_config(frontend *fe, int which)
893 GtkWidget *w, *table, *cancel;
898 fe->cfg = midend_get_config(fe->me, which, &title);
899 fe->cfg_which = which;
902 fe->cfgbox = gtk_dialog_new();
903 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
906 w = gtk_button_new_with_label("OK");
907 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
910 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
911 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
912 gtk_signal_connect(GTK_OBJECT(w), "clicked",
913 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
915 w = gtk_button_new_with_label("Cancel");
916 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
919 gtk_signal_connect(GTK_OBJECT(w), "clicked",
920 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
923 table = gtk_table_new(1, 2, FALSE);
925 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
926 table, FALSE, FALSE, 0);
927 gtk_widget_show(table);
929 for (i = fe->cfg; i->type != C_END; i++) {
930 gtk_table_resize(GTK_TABLE(table), y+1, 2);
935 * Edit box with a label beside it.
938 w = gtk_label_new(i->name);
939 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
940 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
941 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
942 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
947 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
948 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
949 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
951 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
952 gtk_signal_connect(GTK_OBJECT(w), "changed",
953 GTK_SIGNAL_FUNC(editbox_changed), i);
954 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
955 GTK_SIGNAL_FUNC(editbox_key), NULL);
964 w = gtk_check_button_new_with_label(i->name);
965 gtk_signal_connect(GTK_OBJECT(w), "toggled",
966 GTK_SIGNAL_FUNC(button_toggled), i);
967 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
968 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
969 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
971 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
977 * Drop-down list (GtkOptionMenu).
980 w = gtk_label_new(i->name);
981 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
982 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
983 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
984 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
988 w = gtk_option_menu_new();
989 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
990 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
991 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
999 GtkWidget *menu = gtk_menu_new();
1001 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
1009 while (*q && *q != c)
1012 name = snewn(q-p+1, char);
1013 strncpy(name, p, q-p);
1016 if (*q) q++; /* eat delimiter */
1018 menuitem = gtk_menu_item_new_with_label(name);
1019 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1020 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1021 GINT_TO_POINTER(val));
1022 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1023 GTK_SIGNAL_FUNC(droplist_sel), i);
1024 gtk_widget_show(menuitem);
1031 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
1040 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
1041 GTK_SIGNAL_FUNC(window_destroy), NULL);
1042 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
1043 GTK_SIGNAL_FUNC(win_key_press), cancel);
1044 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1045 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1046 GTK_WINDOW(fe->window));
1047 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1048 gtk_widget_show(fe->cfgbox);
1056 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1058 frontend *fe = (frontend *)data;
1059 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1061 if (!midend_process_key(fe->me, 0, 0, key))
1062 gtk_widget_destroy(fe->window);
1065 static void get_size(frontend *fe, int *px, int *py)
1070 * Currently I don't want to make the GTK port scale large
1071 * puzzles to fit on the screen. This is because X does permit
1072 * extremely large windows and many window managers provide a
1073 * means of navigating round them, and the users I consulted
1074 * before deciding said that they'd rather have enormous puzzle
1075 * windows spanning multiple screen pages than have them
1076 * shrunk. I could change my mind later or introduce
1077 * configurability; this would be the place to do so, by
1078 * replacing the initial values of x and y with the screen
1083 midend_size(fe->me, &x, &y, FALSE);
1088 #if !GTK_CHECK_VERSION(2,0,0)
1089 #define gtk_window_resize(win, x, y) \
1090 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1093 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1095 frontend *fe = (frontend *)data;
1096 game_params *params =
1097 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1100 midend_set_params(fe->me, params);
1101 midend_new_game(fe->me);
1102 get_size(fe, &x, &y);
1105 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1108 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1109 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1113 GdkAtom compound_text_atom, utf8_string_atom;
1114 int paste_initialised = FALSE;
1118 unsigned char empty[] = { 0 };
1120 if (paste_initialised)
1123 if (!compound_text_atom)
1124 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1125 if (!utf8_string_atom)
1126 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1129 * Ensure that all the cut buffers exist - according to the
1130 * ICCCM, we must do this before we start using cut buffers.
1132 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1133 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1134 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1135 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1136 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1137 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1138 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1139 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1140 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1141 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1142 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1143 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1144 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1145 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1146 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1147 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1150 /* Store data in a cut-buffer. */
1151 void store_cutbuffer(char *ptr, int len)
1153 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1154 XRotateBuffers(GDK_DISPLAY(), 1);
1155 XStoreBytes(GDK_DISPLAY(), ptr, len);
1158 void write_clip(frontend *fe, char *data)
1163 sfree(fe->paste_data);
1166 * For this simple application we can safely assume that the
1167 * data passed to this function is pure ASCII, which means we
1168 * can return precisely the same stuff for types STRING,
1169 * COMPOUND_TEXT or UTF8_STRING.
1172 fe->paste_data = data;
1173 fe->paste_data_len = strlen(data);
1175 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1177 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1179 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1180 GDK_SELECTION_TYPE_STRING, 1);
1181 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1182 compound_text_atom, 1);
1183 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1184 utf8_string_atom, 1);
1188 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1189 guint info, guint time_stamp, gpointer data)
1191 frontend *fe = (frontend *)data;
1192 gtk_selection_data_set(seldata, seldata->target, 8,
1193 fe->paste_data, fe->paste_data_len);
1196 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1199 frontend *fe = (frontend *)data;
1202 sfree(fe->paste_data);
1203 fe->paste_data = NULL;
1204 fe->paste_data_len = 0;
1208 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1210 frontend *fe = (frontend *)data;
1213 text = midend_text_format(fe->me);
1216 write_clip(fe, text);
1222 static void filesel_ok(GtkButton *button, gpointer data)
1224 frontend *fe = (frontend *)data;
1226 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1229 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1231 fe->filesel_name = dupstr(name);
1234 static char *file_selector(frontend *fe, char *title, int save)
1236 GtkWidget *filesel =
1237 gtk_file_selection_new(title);
1239 fe->filesel_name = NULL;
1241 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1243 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1246 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1247 GTK_SIGNAL_FUNC(filesel_ok), fe);
1248 gtk_signal_connect_object
1249 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1250 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1251 gtk_signal_connect_object
1252 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1253 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1254 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1255 GTK_SIGNAL_FUNC(window_destroy), NULL);
1256 gtk_widget_show(filesel);
1257 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1260 return fe->filesel_name;
1263 static void savefile_write(void *wctx, void *buf, int len)
1265 FILE *fp = (FILE *)wctx;
1266 fwrite(buf, 1, len, fp);
1269 static int savefile_read(void *wctx, void *buf, int len)
1271 FILE *fp = (FILE *)wctx;
1274 ret = fread(buf, 1, len, fp);
1275 return (ret == len);
1278 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1280 frontend *fe = (frontend *)data;
1283 name = file_selector(fe, "Enter name of game file to save", TRUE);
1288 if ((fp = fopen(name, "r")) != NULL) {
1289 char buf[256 + FILENAME_MAX];
1293 sprintf(buf, "Are you sure you want to overwrite the"
1295 FILENAME_MAX, name);
1296 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1300 fp = fopen(name, "w");
1304 error_box(fe->window, "Unable to open save file");
1308 midend_serialise(fe->me, savefile_write, fp);
1314 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1316 frontend *fe = (frontend *)data;
1320 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1323 FILE *fp = fopen(name, "r");
1327 error_box(fe->window, "Unable to open saved game file");
1331 err = midend_deserialise(fe->me, savefile_read, fp);
1336 error_box(fe->window, err);
1340 get_size(fe, &x, &y);
1343 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1346 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1347 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1353 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1355 frontend *fe = (frontend *)data;
1358 msg = midend_solve(fe->me);
1361 error_box(fe->window, msg);
1364 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1366 frontend *fe = (frontend *)data;
1368 midend_restart_game(fe->me);
1371 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1373 frontend *fe = (frontend *)data;
1374 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1378 if (!get_config(fe, which))
1381 midend_new_game(fe->me);
1382 get_size(fe, &x, &y);
1385 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1388 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1389 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1393 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1395 frontend *fe = (frontend *)data;
1399 sprintf(titlebuf, "About %.200s", thegame.name);
1402 "from Simon Tatham's Portable Puzzle Collection\n\n"
1403 "%.500s", thegame.name, ver);
1405 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
1408 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1409 char *text, int key)
1411 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
1412 gtk_container_add(cont, menuitem);
1413 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1414 GINT_TO_POINTER(key));
1415 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1416 GTK_SIGNAL_FUNC(menu_key_event), fe);
1417 gtk_widget_show(menuitem);
1421 static void add_menu_separator(GtkContainer *cont)
1423 GtkWidget *menuitem = gtk_menu_item_new();
1424 gtk_container_add(cont, menuitem);
1425 gtk_widget_show(menuitem);
1428 static frontend *new_window(char *arg, char **error)
1432 GtkWidget *menubar, *menu, *menuitem;
1436 fe = snew(frontend);
1438 fe->timer_active = FALSE;
1441 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
1449 * Try treating the argument as a game ID.
1451 err = midend_game_id(fe->me, arg);
1454 * It's a valid game ID.
1456 midend_new_game(fe->me);
1458 FILE *fp = fopen(arg, "r");
1460 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
1461 " nor a save file (%.400s)", err, strerror(errno));
1463 err = midend_deserialise(fe->me, savefile_read, fp);
1465 sprintf(errbuf, "%.800s", err);
1470 *error = dupstr(errbuf);
1471 midend_free(fe->me);
1477 midend_new_game(fe->me);
1480 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1481 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
1483 gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
1485 gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE);
1487 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1488 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1489 gtk_widget_show(GTK_WIDGET(vbox));
1491 menubar = gtk_menu_bar_new();
1492 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
1493 gtk_widget_show(menubar);
1495 menuitem = gtk_menu_item_new_with_label("Game");
1496 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1497 gtk_widget_show(menuitem);
1499 menu = gtk_menu_new();
1500 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1502 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
1504 menuitem = gtk_menu_item_new_with_label("Restart");
1505 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1506 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1507 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1508 gtk_widget_show(menuitem);
1510 menuitem = gtk_menu_item_new_with_label("Specific...");
1511 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1512 GINT_TO_POINTER(CFG_DESC));
1513 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1514 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1515 GTK_SIGNAL_FUNC(menu_config_event), fe);
1516 gtk_widget_show(menuitem);
1518 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1519 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1520 GINT_TO_POINTER(CFG_SEED));
1521 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1522 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1523 GTK_SIGNAL_FUNC(menu_config_event), fe);
1524 gtk_widget_show(menuitem);
1526 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
1530 menuitem = gtk_menu_item_new_with_label("Type");
1531 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1532 gtk_widget_show(menuitem);
1534 submenu = gtk_menu_new();
1535 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1537 for (i = 0; i < n; i++) {
1539 game_params *params;
1541 midend_fetch_preset(fe->me, i, &name, ¶ms);
1543 menuitem = gtk_menu_item_new_with_label(name);
1544 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1545 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1546 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1547 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1548 gtk_widget_show(menuitem);
1551 if (thegame.can_configure) {
1552 menuitem = gtk_menu_item_new_with_label("Custom...");
1553 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1554 GPOINTER_TO_INT(CFG_SETTINGS));
1555 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1556 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1557 GTK_SIGNAL_FUNC(menu_config_event), fe);
1558 gtk_widget_show(menuitem);
1562 add_menu_separator(GTK_CONTAINER(menu));
1563 menuitem = gtk_menu_item_new_with_label("Load");
1564 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1565 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1566 GTK_SIGNAL_FUNC(menu_load_event), fe);
1567 gtk_widget_show(menuitem);
1568 menuitem = gtk_menu_item_new_with_label("Save");
1569 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1570 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1571 GTK_SIGNAL_FUNC(menu_save_event), fe);
1572 gtk_widget_show(menuitem);
1573 add_menu_separator(GTK_CONTAINER(menu));
1574 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
1575 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
1576 if (thegame.can_format_as_text) {
1577 add_menu_separator(GTK_CONTAINER(menu));
1578 menuitem = gtk_menu_item_new_with_label("Copy");
1579 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1580 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1581 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1582 gtk_widget_show(menuitem);
1584 if (thegame.can_solve) {
1585 add_menu_separator(GTK_CONTAINER(menu));
1586 menuitem = gtk_menu_item_new_with_label("Solve");
1587 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1588 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1589 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1590 gtk_widget_show(menuitem);
1592 add_menu_separator(GTK_CONTAINER(menu));
1593 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
1595 menuitem = gtk_menu_item_new_with_label("Help");
1596 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1597 gtk_widget_show(menuitem);
1599 menu = gtk_menu_new();
1600 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1602 menuitem = gtk_menu_item_new_with_label("About");
1603 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1604 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1605 GTK_SIGNAL_FUNC(menu_about_event), fe);
1606 gtk_widget_show(menuitem);
1613 fe->colmap = gdk_colormap_get_system();
1614 colours = midend_colours(fe->me, &ncolours);
1615 fe->ncolours = ncolours;
1616 fe->colours = snewn(ncolours, GdkColor);
1617 for (i = 0; i < ncolours; i++) {
1618 fe->colours[i].red = colours[i*3] * 0xFFFF;
1619 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1620 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
1622 success = snewn(ncolours, gboolean);
1623 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1624 FALSE, FALSE, success);
1625 for (i = 0; i < ncolours; i++) {
1627 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1628 i, fe->colours[i].red >> 8,
1629 fe->colours[i].green >> 8,
1630 fe->colours[i].blue >> 8);
1634 if (midend_wants_statusbar(fe->me)) {
1635 GtkWidget *viewport;
1638 viewport = gtk_viewport_new(NULL, NULL);
1639 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
1640 fe->statusbar = gtk_statusbar_new();
1641 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1642 gtk_widget_show(viewport);
1643 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
1644 gtk_widget_show(fe->statusbar);
1645 fe->statusctx = gtk_statusbar_get_context_id
1646 (GTK_STATUSBAR(fe->statusbar), "game");
1647 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
1649 gtk_widget_size_request(fe->statusbar, &req);
1651 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1653 gtk_widget_set_usize(viewport, -1, req.height);
1655 fe->statusbar = NULL;
1657 fe->area = gtk_drawing_area_new();
1658 get_size(fe, &x, &y);
1659 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1663 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
1667 fe->nfonts = fe->fontsize = 0;
1669 fe->laststatus = NULL;
1671 fe->paste_data = NULL;
1672 fe->paste_data_len = 0;
1674 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1675 GTK_SIGNAL_FUNC(destroy), fe);
1676 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1677 GTK_SIGNAL_FUNC(key_event), fe);
1678 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1679 GTK_SIGNAL_FUNC(button_event), fe);
1680 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1681 GTK_SIGNAL_FUNC(button_event), fe);
1682 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1683 GTK_SIGNAL_FUNC(motion_event), fe);
1684 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1685 GTK_SIGNAL_FUNC(selection_get), fe);
1686 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1687 GTK_SIGNAL_FUNC(selection_clear), fe);
1688 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1689 GTK_SIGNAL_FUNC(expose_area), fe);
1690 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1691 GTK_SIGNAL_FUNC(map_window), fe);
1692 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1693 GTK_SIGNAL_FUNC(configure_area), fe);
1695 gtk_widget_add_events(GTK_WIDGET(fe->area),
1696 GDK_BUTTON_PRESS_MASK |
1697 GDK_BUTTON_RELEASE_MASK |
1698 GDK_BUTTON_MOTION_MASK);
1700 gtk_widget_show(fe->area);
1701 gtk_widget_show(fe->window);
1703 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1704 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1709 char *fgetline(FILE *fp)
1711 char *ret = snewn(512, char);
1712 int size = 512, len = 0;
1713 while (fgets(ret + len, size - len, fp)) {
1714 len += strlen(ret + len);
1715 if (ret[len-1] == '\n')
1716 break; /* got a newline, we're done */
1718 ret = sresize(ret, size, char);
1720 if (len == 0) { /* first fgets returned NULL */
1728 int main(int argc, char **argv)
1730 char *pname = argv[0];
1732 int ngenerate = 0, print = FALSE, px = 1, py = 1;
1733 int soln = FALSE, colour = FALSE;
1736 int doing_opts = TRUE;
1742 * Command line parsing in this function is rather fiddly,
1743 * because GTK wants to have a go at argc/argv _first_ - and
1744 * yet we can't let it, because gtk_init() will bomb out if it
1745 * can't open an X display, whereas in fact we want to permit
1746 * our --generate and --print modes to run without an X
1750 * - we parse the command line ourselves, without modifying
1752 * - if we encounter an error which might plausibly be the
1753 * result of a GTK command line (i.e. not detailed errors in
1754 * particular options of ours) we store the error message
1755 * and terminate parsing.
1756 * - if we got enough out of the command line to know it
1757 * specifies a non-X mode of operation, we either display
1758 * the stored error and return failure, or if there is no
1759 * stored error we do the non-X operation and return
1761 * - otherwise, we go straight to gtk_init().
1767 if (doing_opts && !strcmp(p, "--version")) {
1768 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1771 } else if (doing_opts && !strcmp(p, "--generate")) {
1773 ngenerate = atoi(*++av);
1775 fprintf(stderr, "%s: '--generate' expected a number\n",
1781 } else if (doing_opts && !strcmp(p, "--print")) {
1782 if (!thegame.can_print) {
1783 fprintf(stderr, "%s: this game does not support printing\n",
1790 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
1791 fprintf(stderr, "%s: unable to parse argument '%s' to "
1792 "'--print'\n", pname, dim);
1798 } else if (doing_opts && !strcmp(p, "--scale")) {
1800 scale = atof(*++av);
1802 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
1806 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
1807 !strcmp(p, "--with-solution") ||
1808 !strcmp(p, "--with-solns") ||
1809 !strcmp(p, "--with-soln") ||
1810 !strcmp(p, "--solutions") ||
1811 !strcmp(p, "--solution") ||
1812 !strcmp(p, "--solns") ||
1813 !strcmp(p, "--soln"))) {
1815 } else if (doing_opts && !strcmp(p, "--colour")) {
1816 if (!thegame.can_print_in_colour) {
1817 fprintf(stderr, "%s: this game does not support colour"
1818 " printing\n", pname);
1822 } else if (doing_opts && !strcmp(p, "--")) {
1824 } else if (!doing_opts || p[0] != '-') {
1826 fprintf(stderr, "%s: more than one argument supplied\n",
1832 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
1839 * Special standalone mode for generating puzzle IDs on the
1840 * command line. Useful for generating puzzles to be printed
1841 * out and solved offline (for puzzles where that even makes
1842 * sense - Solo, for example, is a lot more pencil-and-paper
1843 * friendly than Twiddle!)
1847 * <puzzle-name> --generate [<n> [<params>]]
1849 * <n>, if present, is the number of puzzle IDs to generate.
1850 * <params>, if present, is the same type of parameter string
1851 * you would pass to the puzzle when running it in GUI mode,
1852 * including optional extras such as the expansion factor in
1853 * Rectangles and the difficulty level in Solo.
1855 * If you specify <params>, you must also specify <n> (although
1856 * you may specify it to be 1). Sorry; that was the
1857 * simplest-to-parse command-line syntax I came up with.
1859 if (ngenerate > 0 || print) {
1863 document *doc = NULL;
1866 fputs(errbuf, stderr);
1872 me = midend_new(NULL, &thegame, NULL, NULL);
1876 doc = document_new(px, py, scale);
1879 * In this loop, we either generate a game ID or read one
1880 * from stdin depending on whether we're in generate mode;
1881 * then we either write it to stdout or print it, depending
1882 * on whether we're in print mode. Thus, this loop handles
1883 * generate-to-stdout, print-from-stdin and generate-and-
1884 * immediately-print modes.
1886 * (It could also handle a copy-stdin-to-stdout mode,
1887 * although there's currently no combination of options
1888 * which will cause this loop to be activated in that mode.
1889 * It wouldn't be _entirely_ pointless, though, because
1890 * stdin could contain bare params strings or random-seed
1891 * IDs, and stdout would contain nothing but fully
1892 * generated descriptive game IDs.)
1894 while (ngenerate == 0 || i < n) {
1897 if (ngenerate == 0) {
1898 pstr = fgetline(stdin);
1901 pstr[strcspn(pstr, "\r\n")] = '\0';
1904 pstr = snewn(strlen(arg) + 40, char);
1907 if (i > 0 && strchr(arg, '#'))
1908 sprintf(pstr + strlen(pstr), "-%d", i);
1914 err = midend_game_id(me, pstr);
1916 fprintf(stderr, "%s: error parsing '%s': %s\n",
1923 midend_new_game(me);
1926 err = midend_print_puzzle(me, doc, soln);
1928 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
1932 id = midend_get_game_id(me);
1941 psdata *ps = ps_init(stdout, colour);
1942 document_print(doc, ps_drawing_api(ps));
1952 gtk_init(&argc, &argv);
1954 if (!new_window(argc > 1 ? argv[1] : NULL, &error)) {
1955 fprintf(stderr, "%s: %s\n", pname, error);